Bonanza - Season 4 Episode 17 Elegy for a Hangman

A stranger, Bob Jolly, arrives in Virginia City to accuse a drunken Judge Harry Whitaker of sending his innocent father, Carl, to the gallows. Adam defends the judge's honor because of his long friendship with the Cartwrights. After Adam talks with Jolly, he begins to believe his story. Upon further investigation, Adam discovers that Senator Cal Prince and Hobie Klinderman as well as the judge might have had a lot to gain from Carl Jolly's murder. In an attempt to learn what really happened, Adam organizes an informal meeting in the saloon.